Sony TX20 vs Sony A33

Following is a thorough analysis of the Sony TX20 versus Sony A33, one is a Ultracompact and the other is a Entry-Level DSLR and they are both built by Sony. The sensor resolution of the TX20 (16MP) and the A33 (14MP) is fairly well matched but the TX20 (1/2.3") and A33 (APS-C) possess totally different sensor measurements.

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The TX20 was announced 19 months after the A33 making the cameras a generation away from each other. Both of the cameras offer different body type with the Sony TX20 being a Ultracompact camera and the Sony A33 being a Compact SLR camera.

Before we go in to a full comparison, below is a quick introduction of how the TX20 grades vs the A33 in regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Sony Cyber-shot DSC-TX20 and Sony SLT-A33. The whole galleries are available at Sony TX20 Gallery and Sony A33 Gallery.

In case you're planning to carry around your camera often, you should consider its weight and proportions. The Sony TX20 provides physical measurements of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") along with a weight of 133 grams (0.29 lbs) while the Sony A33 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Check out the Sony TX20 versus Sony A33 in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose during that time. The following is the front view dimensions comparison of the TX20 compared to the A33.

Considering size and weight, the portability score of the TX20 and A33 is 96 and 67 respectively.

Oftentimes, it is very difficult to envision the contrast between sensor sizes purely by looking at a spec sheet. The pic below may give you a stronger sense of the sensor measurements in the TX20 and A33.

As you can see, both of these cameras enjoy different resolutions and different sensor sizes. The TX20 using its tinier sensor will make getting shallower depth of field more challenging and the Sony TX20 will resolve extra detail with its extra 2 Megapixels. Greater resolution can also help you crop photos far more aggressively. The younger TX20 is going to have an edge with regard to sensor technology.